28752499602 has 54 divisors (see below), whose sum is σ = 66205338069. Its totient is φ = 9016555200.

The previous prime is 28752499579. The next prime is 28752499603. The reversal of 28752499602 is 20699425782.

28752499602 is a `hidden beast` number, since 2 + 8 + 7 + 5 + 24 + 9 + 9 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26315003961 + 2437495641 = 162219^2 + 49371^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=119901.

It is not an unprimeable number, because it can be changed into a prime (28752499603) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12228727 + ... + 12231077.

Almost surely, 2^28752499602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28752499602

28752499602 is an abundant number, since it is smaller than the sum of its proper divisors (37452838467).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28752499602 is an equidigital number, since it uses as much as digits as its factorization.

28752499602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 28752499602 in words is "twenty-eight billion, seven hundred fifty-two million, four hundred ninety-nine thousand, six hundred two".